A rotary drawbar assembly for a railway freight car

B - Operations – Transporting – 61 – G

Patent

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Details

B61G 9/20 (2006.01) B61G 5/00 (2006.01)

Patent

CA 2188232

A rotary type slackless drawbar assembly for connecting one end of a first railway freight car to an adjacently disposed end of a second railway freight car in a substantially semi-permanent fashion. Such drawbar assembly includes a rear block member having a substantially flat front face portion which is disposed in a generally vertical direction. A first spherically shaped cavity is formed in a center of the front face portion of such rear block member. A ball-like member has a first portion of an outer surface thereof disposed in such first cavity. An elongated drawbar member is connected at a first end thereof to a radially opposed second portion of such ball-like member. There is a generally U-shaped front block member which includes a substantially flat inner face portion disposed in a generally vertical direction and a second spherically shaped cavity is formed in such flat inner face portion of such front block member. A second portion of an outer surface of the ball-like member located closely adjacent said drawbar member is disposed in such second cavity formed in this inner face portion of such front block member.

Appareil de traction sans jeu, rotatif, pour l'accouplement semi-permanent de l'extrémité d'un premier wagon de chemin de fer à l'extrémité d'un deuxième wagon de chemin de fer positionné à côté du premier wagon de chemin de fer. Ce type d'appareil de traction comprend un bloc arrière ayant une face avant relativement plate, disposée dans un plan généralement vertical. Une première cavité de forme sphérique est formée dans le centre d'une partie de la face avant de ce bloc arrière. Un élément en forme de boule dontcomporte une première partie de la surface extérieure estdisposée dans la première cavité. L'élément allongé de l'appareil de traction est raccordé par sa première extrémité à la deuxième partie radialement opposée de cet élément en forme de boule. On retrouve un élément bloc avant généralement en forme de U, qui comprend une partie avant interne sensiblement plate disposée dans une direction généralement verticale et une deuxième cavité de forme sphérique formée dans la partie avant interne plate de cet élément bloc avant. Une deuxième partie d'une surface extérieure de l'élément en forme de boule situé à proximité et à côté de l'élément de l'appareil de traction est disposée dans la deuxième cavité formée dans cette face intérieure de cet élément bloc avant.

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